Description: This product is non-flammable and has high flame retardancy, complying with DIN 4102 B2 standard. It can stop burning immediately when the fire source is removed, with reliable safety ...Xem thêm
Tin nhắn của kháchĐể lại tin nhắn
Chưa có bình luận công khai
B1 DIN 4102 Fire Rated Expanding PU Foam Sealant for Fire Door and Window Installation